/*
 *  Copyright 2008-2010 the original author or authors.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */
package org.openaecfm.spf.io.presentationorganization;

import org.openaecfm.model.presentationorganization.PresentationLayerAssignment;
import org.openaecfm.service.presentationorganization.IPresentationLayerAssignmentManager;
import org.openaecfm.spf.io.AbstractEntityInstanceInputImpl;
import org.openaecfm.spf.io.IAppDataManager;
import org.openaecfm.spf.io.IEntityInstanceOutput;
import org.openaecfm.spf.io.IEntityInstanceUtilInput;
import org.openaecfm.spf.io.IEntityInstanceUtilOutput;
import org.openaecfm.spf.model.DollarParameter;
import org.openaecfm.spf.model.EntityInstance;
import org.openaecfm.spf.model.EntityInstanceNameParameter;
import org.openaecfm.spf.model.ListParameter;
import org.openaecfm.spf.model.NodeType;
import org.openaecfm.spf.model.Parameter;
import org.openaecfm.spf.model.SimpleEntityInstance;
import org.openaecfm.spf.model.StringParameter;

public final class PresentationLayerAssignmentIO extends
		AbstractEntityInstanceInputImpl<PresentationLayerAssignment> implements
		IEntityInstanceUtilInput<PresentationLayerAssignment>,
		IEntityInstanceOutput<PresentationLayerAssignment>,
		IEntityInstanceUtilOutput<PresentationLayerAssignment> {
	private IPresentationLayerAssignmentManager manager;
	
	public void setManager(IPresentationLayerAssignmentManager manager) {
		this.manager = manager;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public String exportSPF(PresentationLayerAssignment pojo,
			IAppDataManager appDataManager) {
		SimpleEntityInstance ei = new SimpleEntityInstance(
				"IFCPRESENTATIONLAYERASSIGNMENT", appDataManager.getName(pojo));

		exportSPF(pojo, ei, appDataManager);

		return ei.toString();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected PresentationLayerAssignment doCreateObject() {
		return new PresentationLayerAssignment();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void exportSPF(PresentationLayerAssignment pojo, EntityInstance ei,
			IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Name
		sei.addParameter(new StringParameter(pojo.getName(),
				StringParameter.UTF_8));

		// Set Description
		if (pojo.getDescription() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new StringParameter(pojo.getDescription(),
					StringParameter.UTF_8));
		}

		// Set AssignedItems
		ListParameter assitems = new ListParameter();
		for (Object e : pojo.getAssignedItems()) {
			assitems.add(new EntityInstanceNameParameter(
					appDataManager.getName(e)));
		}
		sei.addParameter(assitems);

		// Set Identifier
		if (pojo.getIdentifier() == null) {
			sei.addParameter(DollarParameter.getInstance());
		} else {
			sei.addParameter(new StringParameter(pojo.getIdentifier(),
					StringParameter.UTF_8));
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveNotReferenceParameter(EntityInstance ei,
			PresentationLayerAssignment pojo) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set Name
		StringParameter name = (StringParameter) sei.getParameter(0);
		pojo.setName(name.toUTF8());

		// Set Description
		Parameter des = sei.getParameter(1);
		if (des.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) des;
			pojo.setDescription(s.toUTF8());
		}

		// Set Identifier
		Parameter id = sei.getParameter(3);
		if (id.getNodeType() == NodeType.STRING) {
			StringParameter s = (StringParameter) id;
			pojo.setIdentifier(s.toUTF8());
		}
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void resolveReferenceParameter(EntityInstance ei,
			PresentationLayerAssignment pojo, IAppDataManager appDataManager) {
		SimpleEntityInstance sei = (SimpleEntityInstance) ei;

		// Set AssignedItems
		ListParameter assitems = (ListParameter) sei.getParameter(2);
		for (Parameter p : assitems) {
			EntityInstanceNameParameter n = (EntityInstanceNameParameter) p;
			manager.addAssignedItem(pojo, appDataManager.getObject(n.toInstanceName()));
		}
	}
}
